/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package at.irian.demo.jsfatwork.view.validation;

import at.irian.demo.jsfatwork.application.validation.Before;
import org.apache.myfaces.extensions.validator.crossval.strategy.AbstractCompareStrategy;

import javax.faces.context.FacesContext;
import java.text.DateFormat;
import java.util.Date;

/**
 * @author JSF@Work Project Team
 */
public class BeforeValidator extends AbstractCompareStrategy<Before>
{
    private Date targetDate;

    protected String getValidationErrorMsgKey(Before annotation, boolean isTargetComponent)
    {
        return annotation.violationMessage();
    }

    public boolean isViolation(Object value1, Object value2, Before annotation)
    {
        if (value1 instanceof Date && value2 instanceof Date)
        {
            return !processValidation((Date) value1, (Date) value2);
        }
        throw new IllegalStateException("not implemented");
    }

    private boolean processValidation(Date date1, Date date2)
    {
        this.targetDate = date2;
        return date1.before(date2);
    }

    public String[] getValidationTargets(Before annotation)
    {
        return new String[]{annotation.valueOf()};
    }

    @Override
    protected String resolveMessage(String key)
    {
        DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.MEDIUM,
                FacesContext.getCurrentInstance().getViewRoot().getLocale());

        return super.resolveMessage(key).replace("{0}", dateFormat.format(this.targetDate));
    }
}
